Home / 6,627.39-9,145.22-3,976.26

Finding the Fourth Proportional to 6,627.39, 9,145.22 and 3,976.26

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Solution

The fourth proportional to 6,627.39, 9,145.22 and 3,976.26 is: 5,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.39 : 9,145.22 = 3,976.26 : x
  2. Step 2: Convert to fraction form
    6,627.39/9,145.22 = 3,976.26/x
  3. Step 3: Cross multiply
    6,627.39x = 9,145.22 × 3,976.26
  4. Step 4: Simplify right side
    6,627.39x = 36,363,752.60
  5. Step 5: Solve for x
    x = 36,363,752.60/6,627.39
  6. Step 6: Final answer
    x = 5,486.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.